Transcript for Family Survives Brutal Arctic-Like Cold in Northern Nevada

From that brutal cold comes an amazing survival story, a family, four children in the car found alive two days after they vanished in the snow. Temperatures at night were 20 below zero. How did all of them including a 3-year-old make it out. Reporter: Tonight a frigid 48-hour ordeal is over. After two adults and four children, the youngest just 3 years old found alive. Everybody's prayers have been answered. Reporter:34-year-old james glanton and his girlfriend along with their two kids and niece and nephew went to play in the snow and vanished. That kicked off a desperate search in the remote snowy mountains north of reno. 200 people looking on the ground and in the air as nighttime temperatures dropped to 20 below zero. We've got to find them. Those tiny kids can't be out there. None of them can be in the cold like this. Reporter: Today after honing in on a cell phone signal, a member of the search party otted the family's deep through binoculars. They're in amazing condition. Reporter: A member of the search crew says that while driving their jeep went up an embankment and flipped over. They burned the spare tire to stay warm. They had food and water and said at night they could hear rescuers blowing whistles and helicopters in the distance and knew a lot of people were looking for them despite the extreme cold doctors say anyone had forecast by rostbite. All six are expected to spend the night at home. Next tonight on "world news," we want to take you

This transcript has been automatically generated and may not be 100% accurate.

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